Gerry and Kate McCann will have to wait until next week to find out if a former senior detective has succeeded in overturning the couple's ban on his book after a court hearing in Portugal ended without a decision today.
The pair, from Rothley, travelled to Lisbon as they battle to stop Goncalo Amaral from repeating claims that their missing daughter Madeleine is dead.
Mr Amaral was the first head of the police investigation into the little girl's disappearance from Praia da Luz in Portugal in May 2007, shortly before her fourth birthday.
In July 2008 he published a book, 'Maddie: The Truth Of The Lie', which alleges that Madeleine died in her family's holiday flat and that her parents faked her abduction.
A judge granted the McCanns a temporary injunction in September last year halting further sale or publication of Mr Amaral's book and a TV documentary he made about the case.
The ex-policeman launched an appeal against the ban at the main civil court in the Portuguese capital Lisbon last month, calling a series of witnesses to support his claims.
The McCanns admitted sitting through the evidence was painful but insisted they were right to bring the case.
The hearing was adjourned until Wednesday, when two further witnesses gave evidence for Mr Amaral before the lawyers made closing speeches.
At the end of the hearing, which finished at 5.30pm, Judge Maria Gabriela Cunha Rodrigues said she would reserve judgment until February 18, a spokeswoman for the McCanns said.
Outside court, Mr McCann issued a fresh appeal to the Portuguese public for information about Madeleine's disappearance, according to the spokeswoman.
She said Mr and Mrs McCann, both 41, were flying back to the UK.
Mr Amaral's lawyers argue the material in the book is contained in the official Portuguese police files for the investigation, many of which were made public in August 2008.
The McCanns say their main motive for challenging the former policeman is the fear that people will stop looking for Madeleine if they think she is dead.
There will be a full trial at a later date on whether the injunction banning the book should be made permanent.
The McCanns are also seeking €1.2m in compensation for defamation in separate civil proceedings against Mr Amaral in Portugal.
The former detective has vowed to fight all the way to the European Court of Human Rights if he loses his case.